Judges 20:38

Revised Standard Version (RSV-CI)

Now the appointed signal between the men of Israel and the men in ambush was that when they made a great cloud of smoke rise up out of the city

Cross References

Genesis 17:21

But I will establish my covenant with Isaac, whom Sarah shall bear to you at this season next year.”

2 Kings 4:16

And he said, “At this season, when the time comes round, you shall embrace a son.” And she said, “No, my lord, O man of God; do not lie to your maidservant.”

Joshua 8:13

So they stationed the forces, the main encampment which was north of the city and its rear guard west of the city. But Joshua spent that night in the valley.

Joshua 8:20

So when the men of Ai looked back, behold, the smoke of the city went up to heaven; and they had no power to flee this way or that, for the people that fled to the wilderness turned back upon the pursuers.